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Ethernet Cyclic FEC
Design IP
Overview

SmartDV’s Ethernet Cyclic Forward Error Correction (FEC) IP is a silicon-proven solution that enhances data integrity and reliability across high-speed Ethernet links. Fully compliant with IEEE 802.3 specifications, it implements the (2112, 2080) shortened binary cyclic Fire code derived from the (42987, 42955) parent code and supports 32-bit parity generation. The IP core can detect and correct burst errors of up to 11 bits, making it ideal for demanding environments such as automotive Ethernet, 5G backhaul, and high-throughput industrial systems.

Designed for flexibility, the IP core is highly configurable to meet specific design requirements, supporting both ASIC and FPGA implementations while optimizing for area, power, and performance. It integrates seamlessly into Ethernet MAC or PHY subsystems to minimize retransmissions and maintain low-latency communication.

Benefits
  • Implements (2112, 2080) binary cyclic code, shortened from the cyclic Fire code (42987, 42955)
  • FEC with 32-bit parity bits
  • Detects and corrects up to 11-bit burst errors
  • Pipelined mechanism for error correction
  • Bit locking mechanism
Compliance and Compatibility
  • IEEE 802.3.2022 Ethernet Specification
  • IEEE 802.3.2022 Clause 108 RS FEC
  • Compatible with all major EDA synthesis, simulation, and linting flows